Presentation Profile
Deconvolution and Resolution of Coelutions via MS-FID in the Analysis of Gasoline
Currently Scheduled: 10/16/2024 - 1:55 PM - 2:25 PM
Room: Wisteria
Main Author
Joaquin A Lubkowitz - Separation Systems
- Roberto Meneghini - Separation Systems
- Claudio Ceccarelli - Separation Systems
- Elisey Shcherbina - Separation Systems
Abstract:
The analysis of gasoline using methods like ASTM D6730, ASTM D6729, and ASTM D6733 has revealed numerous coelutions that cannot be identified by a flame ionization detector (FID). By splitting the signal between a mass spectrometer (MS) and an FID, apices in each extracted ion can be detected. These apices help deconvolute peaks and identify components hidden under the Total Ion Chromatogram. Since MS response is class-dependent, deconvoluted MS peak areas are converted to FID response using class and carbon number response curves. Coelutions can involve 40-60 compounds, depending on the process stream analyzed.
